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·Application scope of the four-column press. The four-column press is mainly suitable for cold extrusion forming of metal materials, imprinting, forming, shallow stretching, shaping, overmolding and trimming of metal or non-metallic parts.
n realize three working modes of adjustment, manual and semi-automatic. Its working pressure, pressing speed, no-load fast descending, and decelerating stroke range can be adjusted according to process needs.
Hydroforming is a method of stamping sheet metal with liquid pressure instead of rigid punch or die. It can carry out many stamping processes, such as bending, deep drawing, bulging of flat blanks, bulging of space blanks, etc. It can form various complex parts, such as bellows. And it has the advantages of good surface quality, reduced process, simplified mold, and no need for special stamping equipment.
